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A water main break in Hillcrest on Tuesday led to flooding on a busy street lined with businesses and eateries.

Officials say a water main broke around 3 p.m. in the 3600-block of 5th Avenue at Pennsylvania Avenue, near Anderson Plane. Police say the main break spans about half a block.

Officials from the City of San Diego Public Utilities said the water main that broke is approximately 20 inches. As of 6 p.m., officials said surrounding customers would be without water service until at least late Wednesday afternoon.

Public Utilities crews are at the scene making repairs, but the exact time of restoration is still being determined, officials said.

Following the main break, water quickly flooded the area, pooling in front of 5th Avenue businesses including Huapangos Mexican restaurant, the Tractor Room, R-Gang Eatery and Busalacchi’s A Modo Mio.

Officials from the San Diego Fire Department immediately requested sandbags and a vacuum truck to curb the flooding, as well as assistance from the Water Department. The water was turned off by 4:05 p.m.

Police shut down flooded lanes and provided traffic control in the area. As of 6 p.m., officials said portions of 5th Avenue between Pennsylvania Avenue and Upas Street remain closed.

Police said there are reports of two businesses that were flooded in the area, as well as several flooded garages on 5th and 6th Avenues.

MTS has been notified, as several bus stops are located along the impacted area.

The cause of the main break is under investigation. Check back for updates.